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authorBhaktipriya Shridhar <bhaktipriya96@gmail.com>2016-09-04 21:27:32 +0530
committerMark Brown <broonie@kernel.org>2016-09-14 16:33:55 +0100
commit8891098246d07e6dda964a0cffbd504de566c4c3 (patch)
treee169bce41875eacfbc21faa8c12067fead5241ad /sound/soc/intel/skylake
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
ASoC: tlv320dac33: Remove deprecated create_singlethread_workqueue
The workqueue "dac33_wq" queues a single work item &dac33->work and hence doesn't require ordering. Also, it is not being used on a memory reclaim path. Hence, it has been converted to use system_wq. System workqueues have been able to handle high level of concurrency for a long time now and hence it's not required to have a singlethreaded workqueue just to gain concurrency. Unlike a dedicated per-cpu workqueue created with create_singlethread_workqueue(), system_wq allows multiple work items to overlap executions even on the same CPU; however, a per-cpu workqueue doesn't have any CPU locality or global ordering guarantee unless the target CPU is explicitly specified and thus the increase of local concurrency shouldn't make any difference. The work item has been flushed in dac33_soc_remove to ensure that there are no pending tasks while disconnecting the driver. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake')
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